The structure characteristic, working principle, security of safety threading cullet was introduced briefly, and explain the effect in producting practice.
简要的介绍了安全攻丝夹头的结构特点、工作原理、安全可靠性等问题，并说明在生产实践中的应用效果。
The structure characteristic, working principle, security of safety threading cullet was introduced briefly, and explain the effect in producting practice.
简要的介绍了安全攻丝夹头的结构特点、工作原理、安全可靠性等问题，并说明在生产实践中的应用效果。
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